Prettier settings and status for genericmiot

[rytilahti]

Group status information and settings based on the service for more readable output.
This also adds dumping of extras when -dd is given.
The examples below show the current state using a simulated deerma.humidifier.jsq4.

Status:

Status with -dd:

Settings:

[codecov-commenter]

Codecov Report

Merging #1664 (407afaf) into master (74577e4) will decrease coverage by 0.03%.
The diff coverage is 11.11%.

@@            Coverage Diff             @@
##           master    #1664      +/-   ##
==========================================
- Coverage   80.29%   80.25%   -0.04%     
==========================================
  Files         161      161              
  Lines       16076    16085       +9     
  Branches     3625     3626       +1     
==========================================
+ Hits        12908    12909       +1     
- Misses       2905     2913       +8     
  Partials      263      263              

Impacted Files	Coverage Δ
miio/integrations/genericmiot/genericmiot.py	24.57% <5.88%> (-0.87%)	⬇️
miio/device.py	76.00% <100.00%> (+0.16%)	⬆️

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